WO2007130326A3 - Method and apparatus for achieving a fast cross direction caliper control recovery time - Google Patents

Method and apparatus for achieving a fast cross direction caliper control recovery time Download PDF

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Publication number
WO2007130326A3
WO2007130326A3 PCT/US2007/010396 US2007010396W WO2007130326A3 WO 2007130326 A3 WO2007130326 A3 WO 2007130326A3 US 2007010396 W US2007010396 W US 2007010396W WO 2007130326 A3 WO2007130326 A3 WO 2007130326A3
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
cross direction
recovery time
achieving
caliper control
Prior art date
Application number
PCT/US2007/010396
Other languages
French (fr)
Other versions
WO2007130326A2 (en
Inventor
Peter Quang Tran
Timothy Andrew Mast
Original Assignee
Abb Ltd
Peter Quang Tran
Timothy Andrew Mast
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Abb Ltd, Peter Quang Tran, Timothy Andrew Mast filed Critical Abb Ltd
Priority to EP07776464.5A priority Critical patent/EP2018452B1/en
Priority to CA2648248A priority patent/CA2648248C/en
Publication of WO2007130326A2 publication Critical patent/WO2007130326A2/en
Publication of WO2007130326A3 publication Critical patent/WO2007130326A3/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0009—Paper-making control systems
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/06—Indicating or regulating the thickness of the layer; Signal devices
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/002—Opening or closing mechanisms; Regulating the pressure
    • D21G1/004—Regulating the pressure
    • D21G1/0046—Regulating the pressure depending on the measured properties of the calendered web
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/002—Opening or closing mechanisms; Regulating the pressure
    • D21G1/004—Regulating the pressure
    • D21G1/0053—Regulating the pressure using magnetic forces

Abstract

Fast cross direction caliper control recovery time in a sheet making machine during startup of the machine after a sheet break is achieved provided that a preselected time duration measured from the occurrence of the sheet break to the clearing, of sheet break has elapsed. One or more of three operations, namely, open loop calender stack conditioning, a conditioning of a measurement from a sensor for measuring caliper of the sheet and a closed loop change in a set of control tuning parameters of a PI controller for providing feedback caliper control of actuators associated with, the calender stack can be selectably performed. The operations have an order of precedence. The first and second can be performed concurrently if the selected time duration for both are identical, the first is performed before the third if both are selected and the second is performed before the third if both are selected.
PCT/US2007/010396 2006-05-01 2007-04-30 Method and apparatus for achieving a fast cross direction caliper control recovery time WO2007130326A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07776464.5A EP2018452B1 (en) 2006-05-01 2007-04-30 Method and apparatus for achieving a fast cross direction caliper control recovery time
CA2648248A CA2648248C (en) 2006-05-01 2007-04-30 Method and apparatus for achieving a fast cross direction caliper control recovery time

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/414,922 US7584013B2 (en) 2006-05-01 2006-05-01 Method and apparatus for achieving a fast cross direction caliper control recovery time
US11/414,922 2006-05-01

Publications (2)

Publication Number Publication Date
WO2007130326A2 WO2007130326A2 (en) 2007-11-15
WO2007130326A3 true WO2007130326A3 (en) 2008-09-12

Family

ID=38649365

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/010396 WO2007130326A2 (en) 2006-05-01 2007-04-30 Method and apparatus for achieving a fast cross direction caliper control recovery time

Country Status (4)

Country Link
US (1) US7584013B2 (en)
EP (1) EP2018452B1 (en)
CA (1) CA2648248C (en)
WO (1) WO2007130326A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6874459B2 (en) * 2017-03-27 2021-05-19 セイコーエプソン株式会社 Sheet manufacturing equipment and control method of seat manufacturing equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5022966A (en) * 1989-01-27 1991-06-11 Measurex Corporation Process for controlling properties of travelling sheets
US5583782A (en) * 1994-11-10 1996-12-10 Measurex Devron Inc. Caliper profile control system for paper machine providing reduced start up times

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5893055A (en) * 1997-05-30 1999-04-06 Abb Industrial Systems, Inc. Two-dimensional web property variation modeling and control
US6564117B1 (en) * 2000-06-13 2003-05-13 Abb Automation Inc. Automated optimization of cross machine direction profile control performance for sheet making processes
JP2002073106A (en) * 2000-09-01 2002-03-12 Yokogawa Electric Corp Process control method
US6755940B2 (en) * 2001-12-20 2004-06-29 Kimberly-Clark Worldwide, Inc. Method and apparatus for caliper control of a fibrous web
US7300548B2 (en) * 2003-05-09 2007-11-27 Abb Inc. Method and apparatus for controlling cross-machine direction (CD) controller settings to improve CD control performance in a web making machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5022966A (en) * 1989-01-27 1991-06-11 Measurex Corporation Process for controlling properties of travelling sheets
US5583782A (en) * 1994-11-10 1996-12-10 Measurex Devron Inc. Caliper profile control system for paper machine providing reduced start up times

Also Published As

Publication number Publication date
CA2648248A1 (en) 2007-11-15
WO2007130326A2 (en) 2007-11-15
CA2648248C (en) 2014-07-15
US20070255445A1 (en) 2007-11-01
EP2018452B1 (en) 2019-01-23
EP2018452A2 (en) 2009-01-28
US7584013B2 (en) 2009-09-01

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